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Identifying Unknown Compounds in a Lab
Just wiki all of the compounds for solubility and colors, both in solid and in solution. |
1-6-2012 at 16:18
by: Vargouille |
Numbers 'out of box'
I haven't noticed anything on Google Chrome v19.0.1084.52.
What browser are you using? |
1-6-2012 at 13:50
by: Vargouille |
Identifying Unknown Compounds in a Lab
http://cms.imperial.edu/index.php?pid=1205
Check the solubility rules. |
31-5-2012 at 16:18
by: Vargouille |
Disassembling ZN/C battery to obtain zinc dust
If you have C batteries, some of them (Duracell I know does) have a bag of zinc in the middle. You j ... |
27-5-2012 at 12:37
by: Vargouille |
horde of gear uncovered in Toronto
I can't tell how much AgNO3 is in that bottle, but if it's even half-full, that's a good chunk of th ... |
27-5-2012 at 06:32
by: Vargouille |
Very Quick Question pertaining to cucl titration
If you need the background, I can suggest taking a look through the SM Chem textbook (it's somewhere ... |
26-5-2012 at 05:38
by: Vargouille |
horde of gear uncovered in Toronto
Lovely reagents, especially the iodate. |
26-5-2012 at 05:31
by: Vargouille |
Very Quick Question pertaining to cucl titration
Ask and you shall receive. It's quite easy to find titration procedures through Google, however, but ... |
25-5-2012 at 15:36
by: Vargouille |
Very Quick Question pertaining to cucl titration
M[sub]1[/sub]V[sub]1[/sub]=M[sub]2[/sub]V[sub]2[/sub] works here because 1 mol NaOH reacts with 1 mo ... |
25-5-2012 at 12:23
by: Vargouille |
Very Quick Question pertaining to cucl titration
With the molarity (mol/L) of the NaOH solution, you can multiply it by the volume used to find moles ... |
24-5-2012 at 15:49
by: Vargouille |
Very Quick Question pertaining to cucl titration
Titration procedure recommends that you continue to add NaOH with agitation until the precipitate wi ... |
24-5-2012 at 14:26
by: Vargouille |
Copper Reaction in Ethanol
Weiming, I'm having some trouble with that conclusion. The decomposition of copper ethoxide to Cu(OH ... |
16-5-2012 at 03:52
by: Vargouille |
Copper Reaction in Ethanol
So today has been an interesting day.
A while ago, I was attempting to make a solution of CuCl2 ... |
15-5-2012 at 17:42
by: Vargouille |
colour of ferric nitrate
It works for FeCl2 and FeCl3, with some amount of contamination, so I assume that it would work for ... |
15-5-2012 at 15:48
by: Vargouille |
colour of ferric nitrate
Chris, the solution is simple: Start over with steel wool. Watson's right, lumps of the metal is no ... |
15-5-2012 at 13:57
by: Vargouille |
Bromine from NaBr
Scatha, that would only work in a solvent that isn't water, since MnSO4 and Na2SO4 are both fairly s ... |
15-5-2012 at 05:32
by: Vargouille |
colour of ferric nitrate
I'm a bit confused with what you mean, Woelen. When I was making a 0.1 M solution of FeCl3 for the n ... |
13-5-2012 at 18:57
by: Vargouille |
colour of ferric nitrate
Barley, I have a solution of FeCl3 that's a really dark red, and I used to have a solution of FeCl2 ... |
13-5-2012 at 10:02
by: Vargouille |
colour of ferric nitrate
The wikipedia says that it's a light violet crystal in nonahydrate form.
After checking out the ... |
13-5-2012 at 06:26
by: Vargouille |
ground glass joint help
I heard something a while back about letting it soak in club soda and heating the joint lightly. Sho ... |
12-5-2012 at 14:51
by: Vargouille |
Seporatory funnel, please advise
It shouldn't break it, considering the thickness of the glass.
EDIT: Not that I would recommend p ... |
28-4-2012 at 15:43
by: Vargouille |
Making Sodium Silicate
From Wikipedia:
[quote]Sodium silicate is stable in neutral and alkaline solutions. In acidic so ... |
27-4-2012 at 13:15
by: Vargouille |
Making Sodium Silicate
Yeah, silica beads take ages to dissolve. Accorrding to Nurdrage, sand doesn't work at all unless yo ... |
26-4-2012 at 19:29
by: Vargouille |
Dehydration of sugar.
I don't believe that regular charcoal is pure carbon. It's pretty close, but it could be that whatev ... |
25-4-2012 at 18:08
by: Vargouille |
Nitric Acid from a Nitrate Salt
Although, come to think of it, if you have a transition metal nitrate, it should form an insoluble h ... |
22-4-2012 at 13:21
by: Vargouille |
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